%0 Journal Article %A A. Ya. Petrenyuk %T The existence of weighted finite incidence structures %J Doklady Akademii Nauk %D 1970 %P 535-536 %V 193 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1970_193_3_a9/ %G ru %F DAN_1970_193_3_a9